public class Card {
    public int rank;  //牌面
    private String suit;  //花色

    public Card(int rank, String suit) {
        this.rank = rank;
        this.suit = suit;
    }

    @Override
    public String toString() {
        return "["+suit+" "+(rank==11?"j":
                rank==12?"Q":rank==13?"K":rank==14?"A":rank)+"]";
    }
}
